2013-05-14_HYDROLOGY - C2009087 (2)

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PERMITTEE NAME /ADDRESS (Include Facility Name /Location if Different) NAME: Peabody Sage Creek Mining LLC ADDRESS: PO Box 250 O. EX Hayden, CO 81639 FACILITY: PEABODY SAGE CREEK MINE LOCATION: 36600 RCR 27 VALUE HAYDEN, CO 81639 ATTN: Edwin J. Brady, Mine Mgr NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) COG603191 I I 001 -A PERMIT NUMBER I I DISCHARGE NUMBER MONITORING PERIOD MM /DD /YYYY MM /DD/YYYY FROM 01/01/2013 TO 1 03/31/2013 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 81639 MINOR Discharge to Grassy Creek External Outfall No Discharge PARAMETER I" wy nnderpen.myeflawdtatlhr "dn`n -it andauell °`hmenlewmepq,- dnndermy&—oo,nr QUANTITY OR LOADING QUALITY OR CONCENTRATION O. EX FREQUENCY OF ANALYSIS SAMPLE VALUE VALUE UNITS VALUE VALUE VALUE UNITS Io the best of my knowledge and belief, we, nunmte, and complete 1 um awme that there are stg uficanl Cadmium, potentially dissolvd SAMPLE ,,,,,, ,,,,,, ,,,,,, „,,,, MEASUREMENT 013131 0 Effluent Gross PERMIT REQUIREMENT ` " "« ' "` * «' « " " *" " * * * ** Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Lead, potentially dissolvd SAMPLE MEASUREMENT 013181 0 Effluent Gross PERMIT REQUIREMENT Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Oil and grease SAMPLE MEASUREMENT 0358210 Effluent Gross PERMIT REQUIREMENT " "•* « "` «" " ".. «' * "` * «` 10 INST MAX mg /L Contingent GRAB Flow, in conduit or thru treatment plant SAMPLE MEASUREMENT 500501 0 Effluent Gross PERMIT REQUIREMENT Req. Mon. 30DA AVG Req. Mon. DAILY MX MGD ' " *• ** '• *'•* *• " ** ~• * ** Monthly INSTAN Solids, total dissolved SAMPLE MEASUREMENT 702951 0 Effluent Gross PERMIT REQUIREMENT " "` «•' Req. Mon. DAILY MX mg /L Monthly GRAB, Oil and grease visual SAMPLE MEASUREMENT 840661 0 Effluent Gross PERMIT REQUIREMENT Req. Mon. INST MAX Y =1;N =0 * * "•` *• ** * * * * " "• " " "•• Monthly VISUAL Dennis ,Joneb Hydrologist I (970) 276 -5209 NAMEITITLEPRINCIPALEXECUTIVEOFFICER I" wy nnderpen.myeflawdtatlhr "dn`n -it andauell °`hmenlewmepq,- dnndermy&—oo,nr TELEPHONE DATE wtper .— m nu..idanee wim a systen, designed to aswre that yuahfied penomtel properly pth and e ato.te the otfomtatwn vnbmilted }lased on my Inq ofthe per—.'P... m who manage the system, or mnu persoro dnectly respan<tble ror gwhenng the mfonnaUO"the mfnnallon subinnted rs, ^ Io the best of my knowledge and belief, we, nunmte, and complete 1 um awme that there are stg uficanl pcnl Itl forsnbmtmng falsemf— t—, —Ndmg the poasdnhly uffine end rmpu to—t for knmvtng o SIGNAT RE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code f NUMBER MM /DD/YYYY TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) Oil & grease - see C.13, pg 8. 30 day average is the highest monthly average during period reported - see C.11. Any additional monitoring data collected for other entitles will be submitted within 48 hours of receipt. Best mgmt practices shall be followed for the duration of discharge. EPA Form 3320.1 (Rev.01106) Previous editions may be used. 02112/2013 Page 2